In late January, I posted about Miami-Dade County [Florida] schools placing thousands of students in so-called ‘teacherless’ classrooms due, at least in part, to budget cuts. Now, MSNBC reports that similar budget woes in other states are resulting not only in teacher layoffs but also in larger class sizes, leading to concerns about the impact on students.

Detroit will have to close 70 of its 142 schools, shut down most bus service and eliminate individual school principals in favor of principals in charge of school “regions.” An announcement is expected in April on how many hundreds of teachers would be laid off…

The Los Angeles Unified School District has already laid off about 2,700 teachers over the last two school years. Facing a deficit of more than $400 million, the school board is now considering scenarios that could mean layoffs for as many as 4,000 more teachers — 1 of every 10 remaining…

The Dallas Independent School District could have to lay off 3,800 teachers and staff if state education spending is cut as deeply as district officials expect…

The Houston Independent School District hasn’t yet calculated how many teachers it may have to let go, but it’s clear it could be a lot — enough to raise the average class size from 28 to 40…

The Providence, R.I., School Board voted last week to send out notices warning of possible layoffs to all 1,900 teachers in the system. Superintendent Thomas Brady called the move “unprecedented” but necessary in light of a projected $40 million deficit in the school budget.